| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F |
| Average First Frost Date: | Frost Rare |
| Average Last Frost Date: | Frost Rare |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 34a - Northern Humid Gulf Coastal Prairies |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 77044 - Houston, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 42 | 45 | 52 | 59 | 66 | 72 | 74 | 74 | 69 | 59 | 51 | 44 | 59 |
| Avg Max Temp (°F) | 62 | 66 | 72 | 78 | 84 | 90 | 93 | 93 | 89 | 81 | 72 | 64 | 79 |
| Avg Precip (In.) | 4.42 | 3.09 | 3.63 | 3.51 | 5.21 | 6.67 | 3.98 | 4 | 5.12 | 4.7 | 4.59 | 3.99 | 52.91 |